68885921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23977}}^1$

素因数の和:24020

約数の個数: 12

約数和(自身を含む): 78983532

約数和(自身を除く): 10097611

約数列:

[1, 13, 17, 169, 221, 2873, 23977, 311701, 407609, 4052113, 5298917, 68885921]

約数ペア:

[(1, 68885921), (13, 5298917), (17, 4052113), (169, 407609), (221, 311701), (2873, 23977)]